一:所需基本jar包:
hibernate3.jar 这个是hibernate最主要的jar包
cglib-2.2.jar 高效的代码生成工具, Hibernate用它在运行时扩展 Java类和实现 Java 接口
antlr-2.7.6.jar 语言转换工,Hibernate利用它实现 HQL 到 SQL的转换
commons-collection-3.1.jar Apache 的工具集,用来增强Java对集合的处理能力
dom4j-1.6.1.jar dom4j XML 解析器
javassist-3.12.0.GA.jar 用于对Java字节码(. class )文件进行操作,功能强大
jta-1.1.jar 标准的 JAVA 事务处理接口
hibernate-jpa-2.0-api-1.0.0.Final.jar 使用注解需要的jar包
slf4j-api-l.5.8.jar
slf4j-log4j12-1.5.8.jar
log4j-1.2.15.jar 最后三个包长生日志信息
二:hibernate.cfg.xml 的配置信息
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://localhost/hibernate</property>
<property name="connection.username">root</property>
<property name="connection.password">root</property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Enable Hibernate's automatic session context management -->
<!-- <property name="current_session_context_class">thread</property> -->
<!-- Disable the second-level cache -->
<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- Drop and re-create the database schema on startup -->
<!-- <property name="hbm2ddl.auto">update</property>-->
<mapping resource="com/bjsxt/hibernate/Student.hbm.xml"/>
<mapping class="com.bjsxt.hibernate.Teacher"/>
</session-factory>
</hibernate-configuration>
三:实体类
package com.bjsxt.hibernate;
public class Student {
private int id;
private String name;
private int age;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
类students的 Student.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
<class name="com.bjsxt.hibernate.Student">
<id name="id" />
<property name="name" />
<property name="age" />
</class>
</hibernate-mapping>
//annotation的使用对于teacher实体
package com.bjsxt.hibernate;
import javax.persistence.Entity;
import javax.persistence.Id;
@Entity
public class Teacher {
private int id;
private String name;
private String title;
@Id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
}
//测试
public class MyTest{
@Test
public void studentTest() {
Student s = new Student();
s.setId(1);
s.setName("zhangsan");
s.setAge(8);
Configuration cfg = new Configuration();
SessionFactory sf= cfg.configure().buildSessionFactory();
Session session = sf.openSession();
session.beginTransaction();
session.save(s);
session.getTransaction().commit();
session.close();
}
@Test
public void teacherTest {
Teacher t = new Teacher();
t.setId(1);
t.setName("t1");
t.setTitle("middle");
SessionFactory sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();
Session session = sessionFactory.openSession();
session.beginTransaction();
session.save(t);
session.getTransaction().commit();
session.close();
sessionFactory.close();
}
}